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/*
* Copyright 2004 ThoughtWorks, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var Logger = function() {
this.logWindow = null;
}
Logger.prototype = {
pendingMessages: new Array(),
setLogLevelThreshold: function(logLevel) {
this.pendingLogLevelThreshold = logLevel;
this.show();
// NOTE: log messages will be discarded until the log window is
// fully loaded.
},
getLogWindow: function() {
if (this.logWindow && this.logWindow.closed) {
this.logWindow = null;
}
if (this.logWindow && this.pendingLogLevelThreshold && this.logWindow.setThresholdLevel) {
this.logWindow.setThresholdLevel(this.pendingLogLevelThreshold);
// can't just directly log because that action would loop back
// to this code infinitely
var pendingMessage = new LogMessage("info", "Log level programmatically set to " + this.pendingLogLevelThreshold + " (presumably by driven-mode test code)");
this.pendingMessages.push(pendingMessage);
this.pendingLogLevelThreshold = null; // let's only go this way one time
}
return this.logWindow;
},
openLogWindow: function() {
this.logWindow = window.open(
getDocumentBase(document) + "SeleniumLog.html", "SeleniumLog",
"width=600,height=1000,bottom=0,right=0,status,scrollbars,resizable"
);
this.logWindow.moveTo(window.screenX + 1210, window.screenY + window.outerHeight - 1400);
if (browserVersion.appearsToBeBrokenInitialIE6) {
// I would really prefer for the message to immediately appear in the log window, the instant the user requests that the log window be
// visible. But when I initially coded it this way, thou message simply didn't appear unless I stepped through the code with a debugger.
// So obviously there is some timing issue here which I don't have the patience to figure out.
var pendingMessage = new LogMessage("warn", "You appear to be running an unpatched IE 6, which is not stable and can crash due to memory problems. We recommend you run Windows update to install a more stable version of IE.");
this.pendingMessages.push(pendingMessage);
}
return this.logWindow;
},
show: function() {
if (! this.getLogWindow()) {
this.openLogWindow();
}
setTimeout(function(){LOG.info("Log window displayed");}, 500);
},
logHook: function(className, message) {
},
log: function(className, message) {
var logWindow = this.getLogWindow();
this.logHook(className, message);
if (logWindow) {
if (logWindow.append) {
if (this.pendingMessages.length > 0) {
logWindow.append("info: Appending missed logging messages", "info");
while (this.pendingMessages.length > 0) {
var msg = this.pendingMessages.shift();
logWindow.append(msg.type + ": " + msg.msg, msg.type);
}
logWindow.append("info: Done appending missed logging messages", "info");
}
logWindow.append(className + ": " + message, className);
}
} else {
// uncomment this to turn on background logging
/* these logging messages are never flushed, which creates
an enormous array of strings that never stops growing. Only
turn this on if you need it for debugging! */
//this.pendingMessages.push(new LogMessage(className, message));
}
},
close: function(message) {
if (this.logWindow != null) {
try {
this.logWindow.close();
} catch (e) {
// swallow exception
// the window is probably closed if we get an exception here
}
this.logWindow = null;
}
},
debug: function(message) {
this.log("debug", message);
},
info: function(message) {
this.log("info", message);
},
warn: function(message) {
this.log("warn", message);
},
error: function(message) {
this.log("error", message);
},
exception: function(exception) {
this.error("Unexpected Exception: " + extractExceptionMessage(exception));
this.error("Exception details: " + describe(exception, ', '));
}
};
var LOG = new Logger();
var LogMessage = function(type, msg) {
this.type = type;
this.msg = msg;
}
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